CN116537039B - Anti-seismic beam falling prevention prefabricating device and manufacturing and construction method - Google Patents
Anti-seismic beam falling prevention prefabricating device and manufacturing and construction method Download PDFInfo
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- CN116537039B CN116537039B CN202310806201.XA CN202310806201A CN116537039B CN 116537039 B CN116537039 B CN 116537039B CN 202310806201 A CN202310806201 A CN 202310806201A CN 116537039 B CN116537039 B CN 116537039B
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 230000002265 prevention Effects 0.000 title description 5
- 230000035939 shock Effects 0.000 claims abstract description 40
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 17
- 238000009417 prefabrication Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 230000008439 repair process Effects 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
Abstract
The invention belongs to the technical field of bridge seismic resistance, and provides a seismic-resistance and beam-falling-prevention prefabrication device and a manufacturing and construction method, wherein the device comprises an upper beam unit, and a blocking part is arranged at the top of the upper beam unit; the lower pier unit is arranged on the ground, and a sinking early warning part is arranged between the lower pier unit and the ground; the strong shock dissipation early warning unit is arranged between the upper beam unit and the lower pier unit and is used for controlling the relative displacement of the upper beam unit and carrying out early warning in the strong shock process; and the weak vibration consumption unit is arranged between the strong vibration dissipation early warning unit and the upper beam unit and is used for bearing the upper beam unit and consuming smaller displacement of the upper beam unit. The invention can rapidly identify damage and support staff to rapidly repair and timely treat before damage while improving the shock absorption and earthquake resistance of the bridge.
Description
Technical Field
The invention belongs to the technical field of bridge seismic resistance, and particularly relates to a seismic-resistance and beam-falling-prevention prefabrication device and a manufacturing and construction method.
Background
The vibration-resistant problem of the bridge is mainly in vibration control, damage control, rapid damage identification and repair, old bridge vibration resistance reinforcement and the like. At present, the vibration isolation technology divides the upper structure and the lower structure of the bridge into two modules, reduces the overall frequency to avoid the seismic energy concentration frequency, but easily causes the problems of falling beams, supporting seat void, beam table (beam-to-beam) collision and the like due to overlarge displacement of the upper structure under special conditions such as near fault, liquefaction site and the like, and particularly, the repairing problem caused by the girder is a great difficulty for the girder of the steel structure.
At present, a plurality of devices related to the anti-seismic and anti-falling beams are designed, but most devices lack early prevention and emergency measures and damage repair are not very convenient, and some devices play a certain role in the anti-seismic and anti-falling beams, but bring larger damage to the structure. The existing device mainly carries out certain limiting and damping measures, and does not relate to rapid identification, rapid repair and timely treatment measures before damage.
Disclosure of Invention
The invention aims to provide an anti-seismic and anti-falling beam prefabricating device and a manufacturing and construction method, so as to solve the problems, and achieve the purposes of improving the shock absorption and anti-seismic performance of a bridge, rapidly identifying damage, supporting rapid repair by staff and timely treatment before damage.
In order to achieve the above object, the present invention provides the following solutions: an anti-seismic fall beam prefabrication device, comprising:
an upper beam unit, the top of which is provided with a blocking part;
the lower pier unit is arranged on the ground, and a sinking early warning part is arranged between the lower pier unit and the ground;
the strong shock dissipation early warning unit is arranged between the upper beam unit and the lower pier unit and is used for controlling the relative displacement of the upper beam unit and carrying out early warning in the strong shock process;
and the weak vibration consumption unit is arranged between the strong vibration dissipation early warning unit and the upper beam unit and is used for bearing the upper beam unit and consuming smaller displacement of the upper beam unit.
Preferably, the upper beam unit comprises an upper structure beam body, an upper connecting member is fixedly connected to the bottom of the upper structure beam body, and the upper connecting member is fixedly connected with the strong shock dissipation early warning unit.
Preferably, the strong shock dissipation early warning unit comprises a bearing plate, a plurality of rubber pads and a connecting steel plate, wherein the bearing plate is fixedly connected to the bottom of the upper connecting member, the connecting steel plate is fixedly connected to the top of the lower pier unit, the rubber pads are abutted to the connecting steel plate and the bearing plate, the connecting steel plate is fixedly connected with a plurality of inhaul cables vertically between the bearing plate, and inductors are respectively arranged on the top ends of the inhaul cables and between the bearing plates.
Preferably, the weak vibration consumption unit is including seting up a plurality of arc recess at rubber pad top and seting up a plurality of hole grooves of last connecting element bottom, a plurality of be provided with the universal wheel connecting element in the hole groove respectively, a plurality of the bottom of universal wheel connecting element runs through respectively bearing plate and fixedly connected with universal wheel, the universal wheel connecting element is used for the lifting or descends the universal wheel, a plurality of the universal wheel respectively with a plurality of the bottom of arc recess corresponds the setting, be provided with the controller on the connecting element, the controller respectively with a plurality of universal wheel connecting element electric connection.
Preferably, the lower pier unit comprises a pier, the top of the pier is fixedly connected with a lower connecting member, and the connecting steel plate is fixedly connected to the top of the lower connecting member.
Preferably, the blocking part comprises a groove vertically formed in the end part of the top surface of the upper structure beam body, a baffle is slidably connected in the groove, a driving assembly is arranged between the baffle and the groove, and a plurality of sensors are respectively and electrically connected with the driving assembly.
Preferably, the sinking early warning part comprises a plurality of limit sensors fixedly connected to the bottom of the circumferential side wall of the bridge pier, and the limit sensors are located at the same horizontal height and are arranged corresponding to the ground.
A manufacturing construction method of an anti-seismic beam falling prevention prefabricating device comprises the following operation steps:
s1, prefabricating the upper beam unit, the lower bridge pier unit, the strong earthquake dissipation early warning unit and the weak earthquake consumption unit in a factory;
s2, fixedly connecting the strong shock dissipation early warning unit to the lower pier unit on a construction site, and vertically fixing the lower pier unit at a predetermined position;
s3, after the upper beam unit is fixedly placed at the corresponding position of the top of the strong shock dissipation early warning unit on the construction site, the weak shock consumption unit is operated to finally complete connection between the upper beam unit and the strong shock dissipation early warning unit.
Compared with the prior art, the invention has the following advantages and technical effects: the blocking part has the main function of preventing vehicles from continuing to pass through the bridge pavement by blocking; the weak earthquake consumption unit has the main functions of well consuming the damage energy of the earthquake and ensuring the structural integrity when encountering small earthquakes and small vibrations; the main function of the strong shock dissipation early-warning unit is to provide convenience for damage repair, meanwhile, when a large earthquake and large vibration are encountered, separation and relative displacement occur between the upper beam unit and the strong shock dissipation early-warning unit, when a beam falling phenomenon occurs, the strong shock dissipation early-warning unit dissipates energy and controls the relative displacement of the upper beam unit, and when the strong shock dissipation early-warning unit is activated in a first induction state, a worker can remotely receive corresponding state feedback, so that the situation of a site can be known in time, survey and detection can be performed, related technical treatment can be performed in time, when the strong shock dissipation early-warning unit is activated in a second induction state, the risk of beam falling exists at the moment, and the site is plugged in time by activating a blocking part; the main function of the sinking early warning part is to detect the sinking condition of the pier unit at the lower part, and timely feed back the staff when the pier unit is in a critical state. In the whole, the device has good shock absorption and shock resistance, can quickly identify damage, and supports staff to quickly repair the device and timely treat the device before damage occurs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a prefabrication apparatus according to the present invention;
FIG. 2 is a side view of a preform apparatus of the present invention;
FIG. 3 is a bottom view of the bearing plate of the present invention;
FIG. 4 is a top view of the rubber mat of the present invention;
FIG. 5 is a top view of the joined steel sheet of the present invention;
fig. 6 is a connection state diagram of the connection steel plate and the lower connection member of the present invention;
FIG. 7 is a front view of the shock dissipating unit of the present invention when the caster is not lowered;
FIG. 8 is a front view of the shock dissipating unit of the present invention with the caster wheel lowered;
FIG. 9 is a front view of the blocking portion of the present invention with the flapper not activated;
FIG. 10 is a front view of the blocking portion of the present invention when the flapper is activated;
FIG. 11 is a connection state diagram of the cable of the present invention;
fig. 12 is a front view of the bottom of the pier of the present invention;
wherein, 1, the upper structure beam body; 2. bridge piers; 3. an upper connecting member; 4. a pressure bearing plate; 5. a rubber pad; 6. connecting steel plates; 7. a lower connecting member; 8. a guy cable; 9. a controller; 10. an arc-shaped groove; 11. a hole groove; 12. bolt holes; 13. a high-strength bolt; 14. an inductor; 15. a universal wheel connecting member; 16. a universal wheel; 17. a baffle; 18. a groove; 19. and a limit sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Embodiment one:
referring to fig. 1-12, the present invention provides an anti-seismic anti-drop beam prefabrication apparatus, comprising:
an upper beam unit, the top of which is provided with a blocking part;
the lower pier unit is arranged on the ground, and a sinking early warning part is arranged between the lower pier unit and the ground;
the strong shock dissipation early warning unit is arranged between the upper beam unit and the lower pier unit and is used for controlling the relative displacement of the upper beam unit and carrying out early warning in the strong shock process;
and the weak vibration consumption unit is arranged between the strong vibration dissipation early warning unit and the upper beam unit and is used for bearing the upper beam unit and consuming smaller displacement of the upper beam unit.
The blocking part has the main function of preventing vehicles from continuing to pass through the bridge pavement by blocking; the weak earthquake consumption unit has the main functions of well consuming the damage energy of the earthquake and ensuring the structural integrity when encountering small earthquakes and small vibrations; the main function of the strong shock dissipation early-warning unit is to provide convenience for damage repair, meanwhile, when a large earthquake and large vibration are encountered, separation and relative displacement occur between the upper beam unit and the strong shock dissipation early-warning unit, when a beam falling phenomenon occurs, the strong shock dissipation early-warning unit dissipates energy and controls the relative displacement of the upper beam unit, and when the strong shock dissipation early-warning unit is activated in a first induction state, a worker can remotely receive corresponding state feedback, so that the situation of a site can be known in time, survey and detection can be performed, related technical treatment can be performed in time, when the strong shock dissipation early-warning unit is activated in a second induction state, the risk of beam falling exists at the moment, and the site is plugged in time by activating a blocking part; the main function of the sinking early warning part is to detect the sinking condition of the pier unit at the lower part, and timely feed back the staff when the pier unit is in a critical state. In the whole, the device has good shock absorption and shock resistance, can quickly identify damage, and supports staff to quickly repair the device and timely treat the device before damage occurs.
Further optimizing scheme, upper beam unit includes upper structure roof beam body 1, and upper connecting member 3 is connected with to the bottom fixedly of upper structure roof beam body 1, goes up connecting member 3 and strong shock dissipation early warning unit fixed connection.
Further optimizing scheme, the strong shock dissipation early warning unit includes bearing plate 4, a plurality of rubber pads 5 and connecting steel plate 6, bearing plate 4 fixed connection is in the bottom of connecting element 3, and connecting steel plate 6 fixed connection is at the top of lower part pier unit, and a plurality of rubber pads 5 butt are between connecting steel plate 6 and bearing plate 4, and connecting steel plate 6 and bearing plate 4 between vertical fixedly connected with a plurality of cable 8 are provided with inductor 14 respectively between the top and the bearing plate 4 of a plurality of cable 8.
When encountering a large earthquake and large vibration, separation and large relative displacement occur between the bearing plate 4 and the plurality of rubber pads 5, and a beam falling phenomenon occurs, the plurality of inhaul cables 8 fixed between the bearing plate 4 and the connecting steel plate 6 are pulled due to the movement of the bearing plate 4, and the dissipation of energy is performed through the plurality of inhaul cables 8, so that the relative displacement of the upper structural beam body 1 is controlled by limiting the continued displacement of the bearing plate 4. When the guy cable 8 bears a certain tensile force, the sensor 14 is triggered to be in a first sensing state, and the sensor 14 can transmit signals to a remote monitoring staff, so that the staff can know the site situation in time, survey and detection are carried out, and related technical processing is carried out in time; when the inhaul cable 8 bears sudden large tensile force, the sensor 14 is triggered to be in a second sensing state, the risk of falling beams exists at the moment, the sensor 14 controls the blocking part to act, on-site blocking is timely carried out, and vehicles are prevented from continuing to pass on the bridge.
Further optimizing scheme, weak shake consumption unit is including seting up the arc recess 10 at a plurality of rubber pads 5 tops and seting up a plurality of hole grooves 11 in last connecting element 3 bottom, be provided with universal wheel connecting element 15 in a plurality of hole grooves 11 respectively, the bottom of a plurality of universal wheel connecting element 15 runs through bearing plate 4 and fixedly connected with universal wheel 16 respectively, universal wheel connecting element 15 is used for lifting or puts universal wheel 16 down, a plurality of universal wheels 16 correspond the setting with the bottom of a plurality of arc recess 10 respectively, be provided with controller 9 on the upper connecting element 3, controller 9 respectively with a plurality of universal wheel connecting element 15 electric connection.
Further optimizing scheme, universal wheel connecting elements 15 include the pneumatic cylinder (not shown in the figure) of vertical setting, and the top of pneumatic cylinder and the top fixed connection of hole groove 11, universal wheel 16 fixed connection are in the bottom of first pneumatic cylinder, controller 9 and pneumatic cylinder electric connection.
After the upper structural beam body 1 is hoisted to the corresponding position on the construction site, the upper connecting member 3 and the bearing plate 4 are fixedly connected, the controller 9 is controlled, the hydraulic cylinders originally positioned in the plurality of hole grooves 11 are operated, the universal wheels 16 extend out of the upper connecting member 3 and the bearing plate 4 and enter the arc-shaped grooves 10, and the universal wheels 16 are abutted to the bottoms of the arc-shaped grooves 10, so that the position fixing of the upper structural beam body 1 is finally completed. When encountering small earthquakes and small vibration, the upper structural beam body 1 generates relative displacement between the upper connecting member 3 and the rubber pad 5 by driving, the universal wheels 16 roll relatively in the arc-shaped grooves 10, and the displacement is generated to consume energy, so that the damage of the structure is reduced.
Further optimizing scheme, lower part pier unit includes pier 2, and the top fixedly connected with of pier 2 is connecting piece 7 down, and connecting steel sheet 6 fixed connection is at the top of connecting piece 7 down.
According to a further optimization scheme, the blocking part comprises a groove 18 vertically formed in the end portion of the top surface of the upper structure beam body 1, a baffle 17 is slidably connected in the groove 18, a driving assembly is arranged between the baffle 17 and the groove 18, and a plurality of sensors 14 are respectively and electrically connected with the driving assembly.
Further optimizing scheme, the drive assembly includes the servo electric jar (not shown in the figure) of vertical setting, and servo electric jar's bottom and the bottom fixed connection of recess 18, baffle 17 fixed connection are at servo electric jar's top, inductor 14 and servo electric jar electric connection.
When the guy rope 8 receives sudden large pulling force, the inductor 14 is in a second induction state, at the moment, the inductor 14 controls the servo electric cylinder to operate, the baffle 17 is driven to extend out of the groove 18, the baffle 17 is erected on the bridge deck of the upper structure beam body 1, the bridge is blocked, and the vehicle is prevented from continuously boarding.
Further optimizing scheme, the sinking early warning portion includes a plurality of spacing inductors 19 of fixed connection in pier 2 circumference lateral wall bottom, and a plurality of spacing inductors 19 are located same level and set up with the ground correspondence.
When the foundation sinks to enable the bridge pier 2 to sink, the limit sensors 19 of the bridge pier 2 sink together, any limit sensor 19 can send corresponding signals to staff after contacting the ground, the staff can timely learn on-site conditions after receiving state feedback remotely, survey and detection are conducted, and related technology processing is conducted timely.
Further optimizing scheme, a plurality of screw holes have been seted up respectively to the top surface limit of lower connecting element 7, have seted up a plurality of bolt holes 12 respectively on the connecting steel sheet 6, and a plurality of bolt holes 12 correspond the setting with a plurality of screw holes respectively, and a plurality of high strength bolts 13 run through a plurality of bolt holes 12 and a plurality of screw hole threaded connection.
A manufacturing construction method of an anti-seismic beam falling prevention prefabricating device comprises the following operation steps:
s1, factory pre-preparing an upper beam unit, a lower bridge pier unit, a strong earthquake dissipation early warning unit and a weak earthquake consumption unit;
when the stay rope 8 is manufactured, the first layer of vertical ribs are arranged, so that the first layer of vertical ribs have different lengths, and the number of the reinforcing steel bar joints with the same section is ensured to meet the specification. Before binding the steel bars of the tie beam, binding the steel bars on the bottom die, and arranging enough steel bar protection layer cushion blocks. The strength and the density of stirrups at the key parts such as the bottom and the top are correspondingly improved, so that the ductility performance of the pier is improved, and brittle failure is prevented. Binding the steel bars of the assembly line by using a corresponding machine so as to increase the working efficiency;
the pouring templates of the upper structural beam body 1 and the bridge pier 2 are assembled by adopting a combined steel template. For rib plate bridge abutment, round end solid pier and tie beam, the I-steel upright column and template sheet are vertically connected by using fixture, the transverse pin and channel steel transverse rib are used for connecting whole template into one body, the round steel pull rod is used for coating plastic pipe, and the conical pad is added, the cushion block nut is added, and the transverse internal support is added, so that two face templates are transversely connected into one body, and the positioning is corrected. The end templates are firmly connected with the wall templates to prevent the leakage of the slurry. For the circular pier column, two semicircular steel templates are assembled and installed in place, and the bottoms of the templates are fixed by short steel bars drilled into a bearing platform. The template processing and manufacturing of the assembly line are carried out by a unified machine so as to increase the working efficiency; and (5) pouring concrete after the template is manufactured.
S2, fixedly connecting the strong shock dissipation early warning unit to the lower pier unit on a construction site, and vertically fixing the lower pier unit at a predetermined position;
and pouring a pier foundation on a construction site, and manufacturing a preformed hole position on the pier foundation. After the bridge pier 2 connected with the steel plate 6 is inserted into the reserved hole by using hoisting equipment, the bridge pier is fixedly connected by filling concrete or high-strength low-shrinkage materials in a gap between the prefabricated pier column and the foundation.
S3, after the upper beam unit is fixedly placed at the corresponding position of the top of the strong shock dissipation early warning unit on the construction site, the connection between the upper beam unit and the strong shock dissipation early warning unit is finally completed through operating the weak shock consumption unit.
After the upper connecting member 3 and the bearing plate 4 are connected through high-strength bolts by the bolts, the universal wheel connecting member 15 is operated by the operation controller 9, and the upper structural beam body 1 is connected by tightly abutting the lower part of the universal wheel 16 until the universal wheel 16 and the bottom of the arc-shaped groove 10.
Example two
The difference between this embodiment and the first embodiment is that the cable 8 is subjected to the humidity sensing and light sensing processing.
The humidity sensing and light sensing treatment specifically comprises adhering a film capacitor made of high polymer polystyrene to the surface of a guy cable 8, obtaining the humidity of the external environment through the change of the capacitance and electric constant, and carrying out state feedback after the humidity reaches a certain limit value; photoinduction is to convert the change of light intensity into the change of electric signal, absorb photons and cause free electron phenomenon, thereby generating electric signal and converting, and when the electric signal reaches a certain limit value, carrying out state feedback.
The steel bar for manufacturing the inhaul cable 8 is subjected to humidity sensing and light sensing treatment. The staff can receive corresponding state feedback remotely, can timely learn on-site conditions, survey and detection and timely perform relevant technical treatment.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (5)
1. An anti-seismic fall beam prefabrication device, comprising:
an upper beam unit, the top of which is provided with a blocking part;
the upper beam unit comprises an upper structure beam body (1), and an upper connecting member (3) is fixedly connected to the bottom of the upper structure beam body (1);
the lower pier unit is arranged on the ground, and a sinking early warning part is arranged between the lower pier unit and the ground;
the high-vibration dissipation early warning unit is arranged between the upper beam unit and the lower bridge pier unit and comprises a bearing plate (4), a plurality of rubber pads (5) and a connecting steel plate (6), wherein the bearing plate (4) is fixedly connected to the bottom of the upper connecting member (3), the connecting steel plate (6) is fixedly connected to the top of the lower bridge pier unit, the rubber pads (5) are abutted between the connecting steel plate (6) and the bearing plate (4), a plurality of inhaul cables (8) are vertically and fixedly connected between the connecting steel plate (6) and the bearing plate (4), inductors (14) are respectively arranged between the top ends of the inhaul cables (8) and the bearing plate (4), and the high-vibration dissipation early warning unit is used for controlling the relative displacement of the upper beam unit and carrying out early warning in the high-vibration early warning process;
the utility model provides a weak shake consumption unit, weak shake consumption unit is including seting up a plurality of arc recess (10) at rubber pad (5) top and seting up a plurality of hole grooves (11) of last connecting element (3) bottom, a plurality of be provided with universal wheel connecting element (15) in hole groove (11) respectively, a plurality of the bottom of universal wheel connecting element (15) runs through respectively bearing plate (4) and fixedly connected with universal wheel (16), universal wheel connecting element (15) are used for the lifting or drop universal wheel (16), a plurality of universal wheel (16) respectively with a plurality of the bottom of arc recess (10) corresponds the setting, be provided with controller (9) on last connecting element (3), controller (9) respectively with a plurality of universal wheel connecting element (15) electric connection, weak shake consumption unit is used for bearing upper beam unit and consuming the less displacement of upper beam unit.
2. The anti-seismic drop beam prefabrication device according to claim 1, wherein: the lower pier unit comprises a pier (2), a lower connecting member (7) is fixedly connected to the top of the pier (2), and a connecting steel plate (6) is fixedly connected to the top of the lower connecting member (7).
3. The anti-seismic drop beam prefabrication device according to claim 1, wherein: the blocking part comprises a groove (18) vertically formed in the end part of the top surface of the upper structure beam body (1), a baffle plate (17) is connected in the groove (18) in a sliding mode, a driving assembly is arranged between the baffle plate (17) and the groove (18), and a plurality of sensors (14) are respectively and electrically connected with the driving assembly.
4. The anti-seismic drop beam prefabrication device according to claim 2, wherein: the sinking early warning part comprises a plurality of limit sensors (19) fixedly connected to the bottoms of the circumferential side walls of the bridge piers (2), and the limit sensors (19) are located at the same horizontal height and are arranged corresponding to the ground.
5. A method for manufacturing and constructing an anti-seismic and anti-drop beam prefabricating device according to claim 1, wherein the steps of:
s1, prefabricating the upper beam unit, the lower bridge pier unit, the strong earthquake dissipation early warning unit and the weak earthquake consumption unit in a factory;
s2, fixedly connecting the strong shock dissipation early warning unit to the lower pier unit on a construction site, and vertically fixing the lower pier unit at a predetermined position;
s3, after the upper beam unit is fixedly placed at the corresponding position of the top of the strong shock dissipation early warning unit on the construction site, the weak shock consumption unit is operated to finally complete connection between the upper beam unit and the strong shock dissipation early warning unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310806201.XA CN116537039B (en) | 2023-07-04 | 2023-07-04 | Anti-seismic beam falling prevention prefabricating device and manufacturing and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310806201.XA CN116537039B (en) | 2023-07-04 | 2023-07-04 | Anti-seismic beam falling prevention prefabricating device and manufacturing and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN116537039A CN116537039A (en) | 2023-08-04 |
| CN116537039B true CN116537039B (en) | 2023-09-29 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001049619A (en) * | 1999-08-11 | 2001-02-20 | Shibata Ind Co Ltd | Bridge fall preventing apparatus |
| JP2002013312A (en) * | 2000-06-30 | 2002-01-18 | Ohbayashi Corp | Base isolation device |
| JP2004176531A (en) * | 2002-10-02 | 2004-06-24 | Mitsubishi Heavy Ind Ltd | Construction method for bridge and upper structure of bridge |
| CN103696358A (en) * | 2013-12-17 | 2014-04-02 | 北京工业大学 | Multi-span bridge damping device activated by earthquake acceleration |
| CN103966948A (en) * | 2014-05-10 | 2014-08-06 | 燕斌 | Spherical support capable of preventing beam from falling |
| CN104912224A (en) * | 2015-05-28 | 2015-09-16 | 范文睿 | Swing type steel ball damping structure shock insulation and absorption device |
| CN204690582U (en) * | 2015-05-08 | 2015-10-07 | 武汉理工大学 | A kind of one-way slide type antidetonation reducing noise rubber bearing of rail traffic bridge |
| CN208685436U (en) * | 2018-05-10 | 2019-04-02 | 长安大学 | A kind of energy-consuming device of multiple protective girder girder falling |
| JP2019124044A (en) * | 2018-01-16 | 2019-07-25 | 日本車輌製造株式会社 | Bridge bearing replacement method and bridge bearing structure |
| CN214656320U (en) * | 2021-03-19 | 2021-11-09 | 衡水泰威新材料有限公司 | Dual-anti-falling beam friction pendulum seismic reduction and isolation bridge spherical support |
| CN218466329U (en) * | 2022-07-12 | 2023-02-10 | 衡水冀通工程橡胶有限公司 | Spherical bridge support |
-
2023
- 2023-07-04 CN CN202310806201.XA patent/CN116537039B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001049619A (en) * | 1999-08-11 | 2001-02-20 | Shibata Ind Co Ltd | Bridge fall preventing apparatus |
| JP2002013312A (en) * | 2000-06-30 | 2002-01-18 | Ohbayashi Corp | Base isolation device |
| JP2004176531A (en) * | 2002-10-02 | 2004-06-24 | Mitsubishi Heavy Ind Ltd | Construction method for bridge and upper structure of bridge |
| CN103696358A (en) * | 2013-12-17 | 2014-04-02 | 北京工业大学 | Multi-span bridge damping device activated by earthquake acceleration |
| CN103966948A (en) * | 2014-05-10 | 2014-08-06 | 燕斌 | Spherical support capable of preventing beam from falling |
| CN204690582U (en) * | 2015-05-08 | 2015-10-07 | 武汉理工大学 | A kind of one-way slide type antidetonation reducing noise rubber bearing of rail traffic bridge |
| CN104912224A (en) * | 2015-05-28 | 2015-09-16 | 范文睿 | Swing type steel ball damping structure shock insulation and absorption device |
| JP2019124044A (en) * | 2018-01-16 | 2019-07-25 | 日本車輌製造株式会社 | Bridge bearing replacement method and bridge bearing structure |
| CN208685436U (en) * | 2018-05-10 | 2019-04-02 | 长安大学 | A kind of energy-consuming device of multiple protective girder girder falling |
| CN214656320U (en) * | 2021-03-19 | 2021-11-09 | 衡水泰威新材料有限公司 | Dual-anti-falling beam friction pendulum seismic reduction and isolation bridge spherical support |
| CN218466329U (en) * | 2022-07-12 | 2023-02-10 | 衡水冀通工程橡胶有限公司 | Spherical bridge support |
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| CN116537039A (en) | 2023-08-04 |
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